Boo! Participants Wanted for Vampire Study

This is a past event

TEK Park

9999 Hamilton Blvd. · Breinigsville, PA

How to find us

9999 Hamilton Blvd., Breinigsville, PA, 18031

Location image of event venue



A recent study, Home Idle Load: Devices Wasting Huge Amounts of Electricity When Not in Active Use, found that nearly one fourth of the electricity used in homes was for “idle” loads — wow. Also called “vampire loads,” home idle loads include standby loads (things that are on all the time, even when we think we’re not using them or believe they are turned off) and some intermittent loads (like refrigerators, that cycle on and off). In Pennsylvania, this would be the equivalent of about 6 solar modules per household – for idle loads!

The study cited above was done a few years ago, in California. Other studies have concluded that standby loads make up about 10% of the average residential household electricity consumption. (That’d be nearly 3 modules per household!)

To achieve 100% renewable energy, addressing opportunities like whole house idle loads is essential. The first step is a better understanding of these loads. Then there is much that can be done, often at very little cost or inconvenience.

So, how much electricity does your home use when it sits idle? Most of us have no idea. While many of us have used kill-a-watt meters or other devices to measure electricity consumption for specific devices, whole house idle loads have not been widely researched.

MAREA invites you to join our experiment! We propose two easy methods for estimating your home’s idle load and sharing it with us. The more households that participate, the stronger our collective findings will be. Please use either method (or both) that best suits you. Thanks SO MUCH for your participation. The results will be the subject of our Oct meeting. (Only energy info data will be shared—absolutely nothing about you or your property, unless you invite us to.)

Method A – Smart Meter
This is super easy, if you have access to hourly electricity usage data through your utility company website. Try logging in to your utility’s website to see if your usage data is available, you may be surprised! If it is, just download the hourly data and send it to us, or do the analysis yourself and share results with us. Directions and form are here,

Method B – Meter Readings (autumn is great time of year to do this—no heat or ac)
This is also easy, just requires a little planning and going to the utility meter on your house a couple of times. Look for a time when no one is going to be home for at least 24 hours AND when heating and air conditioning are off. When the last person leaves, go to your electric meter and write down the kWh reading or take a photograph of the meter’s kWh reading. Note the date and time. When the first person returns, to the same thing. Directions and form are here, (If you have a solar installation, also get before and after kWh readings from your solar production meter, inverter or inverter website.) We’ll use the info you send us to estimate your home idle load, or you can do the analysis yourself and send it to us.
Please send any questions or observations to [masked]. We’d love to hear from you!

At our Oct meeting, we’ll share what we’ve all discovered and consider what we can do about those vampires lurking in our midst!

Attendees (1)

Go to Attendee List